The Earth's oscillating electric field (T = 1 day) in relation to the occurrence time of large EQs (Ms>5.0R). A postulated theoretical physical working model and its statistical validation

Details The Earth's oscillating electric field (T = 1 day) in relation to the occurrence time of large EQs (Ms>5.0R). A postulated theoretical physical working model and its statistical validation The Earth's oscillating electric field (T = 1 day) in relation to the occurrence time of large EQs (Ms>5.0R). A postulated theoretical physical working model and its statistical validation

2011-08-15

arxiv.org/abs/1108.3063v2

Physics

Geophysics

10 pages, 14 figures, http://www.earthquakeprediction.gr

Scientific paper

The mechanically oscillating, due to tidal forces, lithosperic plate activates, because of its high content in quartzite, the generation of a piezoelectric field. Due to the same mechanical oscillation the lithosphere is generally at a state of an oscillating stress load. Therefore, large EQs which occur at the peaks of the stress load must coincide with the peaks of the generated piezoelectric potential. In this work a physical mechanism is postulated that accounts for the latter hypothesis. The postulated model is statistically tested by comparing the time of occurrence of 280 large EQs (Ms>5.0R) which occurred during the period from 2003 to 2011, to the same period of time Earth's electric field registered at ATH (Athens) and PYR (Pyrgos) monitoring sites located in Greece. The comparison has been made for the oscillating component of T = 1 day and for both the E - W and N - S directions. The statistical results indicate that the postulated model does not behave randomly. Instead, it represents a smooth normal distribution which peaks on the zero deviation in time between the time of occurrence of the large EQs and the amplitude peaks of the Earth's oscillating electric field. Therefore, the proposed physical model is an acceptable one and can be used for the finer refinement of the prediction of the occurrence time of a large EQ within a day's time period.

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